{"id":1602,"date":"2026-03-24T20:15:28","date_gmt":"2026-03-24T20:15:28","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/silent-power-of-erds-save-backend-work\/"},"modified":"2026-03-24T20:15:28","modified_gmt":"2026-03-24T20:15:28","slug":"silent-power-of-erds-save-backend-work","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/tw\/silent-power-of-erds-save-backend-work\/","title":{"rendered":"ERD \u7684\u6c89\u9ed8\u529b\u91cf\uff1a\u5982\u4f55\u7bc0\u7701\u6578\u9031\u7684\u5f8c\u7aef\u5de5\u4f5c"},"content":{"rendered":"<p>\u5f8c\u7aef\u958b\u767c\u5e38\u5e38\u611f\u89ba\u50cf\u662f\u5728\u6c92\u6709\u85cd\u5716\u7684\u60c5\u6cc1\u4e0b\u84cb\u623f\u5b50\u3002\u4f60\u6191\u76f4\u89ba\u958b\u59cb\u780c\u78da\u3001\u5b89\u88dd\u7a97\u6236\u3001\u642d\u5efa\u7246\u9ad4\u3002\u6709\u6642\u6703\u6210\u529f\uff0c\u4f46\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\u4e0d\u6703\u3002\u6578\u9031\u5f8c\uff0c\u4f60\u767c\u73fe\u81ea\u5df1\u5fc5\u9808\u62c6\u6389\u7246\u58c1\uff0c\u70ba\u4e00\u6247\u539f\u672c\u5fd8\u4e86\u898f\u5283\u7684\u9580\u9a30\u51fa\u7a7a\u9593\u3002\u9019\u5c31\u662f\u6c92\u6709\u7a69\u56fa\u8a2d\u8a08\u7684\u7a0b\u5f0f\u78bc\u958b\u767c\u7684\u73fe\u5be6\u3002<strong>\u5be6\u9ad4\u95dc\u4fc2\u5716\uff08ERD\uff09<\/strong>\u3002ERD \u662f\u4f60\u8cc7\u6599\u57fa\u790e\u67b6\u69cb\u7684\u6c89\u9ed8\u5efa\u7bc9\u5e2b\uff0c\u9ed8\u9ed8\u904b\u4f5c\u4ee5\u907f\u514d\u9ad8\u6602\u7684\u7d50\u69cb\u6027\u5931\u6557\u3002\u7576\u4f60\u5728\u64b0\u5beb\u4efb\u4f55\u7a0b\u5f0f\u78bc\u4e4b\u524d\u6295\u5165\u6642\u9593\u8a2d\u8a08\u8cc7\u6599\u6a21\u578b\uff0c\u4f60\u5c07\u7372\u5f97\u6e05\u6670\u7684\u601d\u7dad\uff0c\u6e1b\u5c11\u6280\u8853\u8ca0\u50b5\uff0c\u4e26\u7c21\u5316\u8de8\u5718\u968a\u7684\u5354\u4f5c\u3002<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8a0e ERD \u5c0d\u5f8c\u7aef\u5de5\u4f5c\u6d41\u7a0b\u7684\u5be6\u969b\u5f71\u97ff\u3002\u6211\u5011\u5c07\u5256\u6790\u8cc7\u6599\u6a21\u578b\u7684\u904b\u4f5c\u6a5f\u5236\u3001\u8df3\u904e\u8a2d\u8a08\u6240\u5e36\u4f86\u7684\u96b1\u6027\u6210\u672c\uff0c\u4ee5\u53ca\u826f\u597d\u6587\u4ef6\u5316\u8cc7\u6599\u7d50\u69cb\u7684\u6230\u7565\u512a\u52e2\u3002\u900f\u904e\u7406\u89e3\u9019\u4e9b\u539f\u5247\uff0c\u4f60\u53ef\u4ee5\u5f9e\u88ab\u52d5\u7de8\u78bc\u8f49\u5411\u4e3b\u52d5\u67b6\u69cb\u8a2d\u8a08\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Cartoon infographic illustrating how Entity Relationship Diagrams (ERDs) save weeks of backend development work, showing ERD components (entities, attributes, relationships), three relationship types (one-to-one, one-to-many, many-to-many), benefits like reduced technical debt and streamlined collaboration, and comparison of chaotic coding without ERD versus organized architecture with ERD blueprint\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/erd-silent-power-backend-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u4ec0\u9ebc\u662f ERD\uff1f \ud83d\udcd0<\/h2>\n<p>\u5be6\u9ad4\u95dc\u4fc2\u5716\u662f\u4e00\u7a2e\u8cc7\u6599\u5eab\u908f\u8f2f\u7d50\u69cb\u7684\u8996\u89ba\u5316\u5448\u73fe\u3002\u5b83\u63cf\u7e6a\u51fa\u4e0d\u540c\u8cc7\u6599\u7247\u6bb5\u4e4b\u9593\u7684\u95dc\u806f\u65b9\u5f0f\u3002\u53ef\u4ee5\u628a\u5b83\u60f3\u50cf\u6210\u4f60\u61c9\u7528\u7a0b\u5f0f\u8a18\u61b6\u9ad4\u7684\u5730\u5716\u3002\u6c92\u6709\u9019\u5f35\u5730\u5716\uff0c\u958b\u767c\u4eba\u54e1\u5c07\u76f2\u76ee\u5c0e\u822a\uff0c\u9762\u81e8\u672c\u61c9\u5206\u96e2\u7684\u8cc7\u6599\u9ede\u4e4b\u9593\u767c\u751f\u885d\u7a81\u7684\u98a8\u96aa\u3002<\/p>\n<p>\u5176\u6838\u5fc3\u7531\u4e09\u500b\u4e3b\u8981\u5143\u4ef6\u7d44\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u5be6\u9ad4\uff1a<\/strong> \u9019\u4e9b\u4ee3\u8868\u4f60\u6b63\u5728\u8ffd\u8e64\u7684\u7269\u4ef6\u6216\u6982\u5ff5\u3002\u5728\u8cc7\u6599\u5eab\u4e2d\uff0c\u9019\u4e9b\u5c0d\u61c9\u5230\u8cc7\u6599\u8868\u3002\u7bc4\u4f8b\u5305\u62ec<em>\u4f7f\u7528\u8005<\/em>, <em>\u8a02\u55ae<\/em>\uff0c\u6216<em>\u7522\u54c1<\/em>.<\/li>\n<li><strong>\u5c6c\u6027\uff1a<\/strong> \u9019\u4e9b\u662f\u5be6\u9ad4\u7684\u7279\u5b9a\u5c6c\u6027\u3002\u5b83\u5011\u6703\u8b8a\u6210\u4f60\u8cc7\u6599\u8868\u4e2d\u7684\u6b04\u4f4d\u3002\u5c0d\u65bc\u4e00\u500b<em>\u4f7f\u7528\u8005<\/em> \u5be6\u9ad4\u800c\u8a00\uff0c\u5c6c\u6027\u53ef\u80fd\u5305\u62ec<em>\u96fb\u5b50\u90f5\u4ef6<\/em>, <em>\u5bc6\u78bc\u96dc\u6e4a\u503c<\/em>\uff0c\u4ee5\u53ca<em>\u5efa\u7acb\u6642\u9593<\/em>.<\/li>\n<li><strong>\u95dc\u4fc2\uff1a<\/strong> \u9019\u4e9b\u5b9a\u7fa9\u4e86\u5be6\u9ad4\u4e4b\u9593\u7684\u4e92\u52d5\u65b9\u5f0f\u3002\u5b83\u5011\u6c7a\u5b9a\u4e86\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u57fa\u6578\u8207\u9023\u63a5\u6027\uff0c\u4f8b\u5982\u4e00\u500b<em>\u4f7f\u7528\u8005<\/em> \u64c1\u6709\u591a\u500b<em>\u8a02\u55ae<\/em>.<\/li>\n<\/ul>\n<p>\u96d6\u7136\u6982\u5ff5\u770b\u4f3c\u7c21\u55ae\uff0c\u4f46\u7576\u8655\u7406\u898f\u6a21\u6642\uff0c\u8907\u96dc\u6027\u4fbf\u6703\u6d6e\u73fe\u3002\u4e00\u500b\u7c21\u55ae\u7684\u90e8\u843d\u683c\u53ef\u80fd\u53ea\u9700\u8981\u5e7e\u500b\u8cc7\u6599\u8868\u3002\u4f01\u696d\u7cfb\u7d71\u5247\u9700\u8981\u6578\u5341\u500b\uff0c\u751a\u81f3\u6578\u767e\u500b\u76f8\u4e92\u95dc\u806f\u7684\u5be6\u9ad4\u3002ERD \u6210\u70ba\u6240\u6709\u9019\u4e9b\u4e92\u52d5\u7684\u552f\u4e00\u53ef\u4fe1\u4f86\u6e90\u3002<\/p>\n<h2>\u8df3\u904e\u8a2d\u8a08\u7684\u96b1\u85cf\u6210\u672c \ud83d\udcb8<\/h2>\n<p>\u8a31\u591a\u958b\u767c\u5718\u968a\u70ba\u4e86\u8d95\u4e0a\u671f\u9650\u800c\u5306\u5fd9\u5beb\u7a0b\u5f0f\u78bc\u3002\u4ed6\u5011\u5047\u8a2d\u4e4b\u5f8c\u53ef\u4ee5\u518d\u91cd\u69cb\u8cc7\u6599\u5eab\u3002\u9019\u662f\u4e00\u500b\u5371\u96aa\u7684\u5047\u8a2d\u3002\u66f4\u6539\u8cc7\u6599\u5eab\u7d50\u69cb\u7684\u4ee3\u50f9\u9060\u9ad8\u65bc\u66f4\u6539\u61c9\u7528\u7a0b\u5f0f\u908f\u8f2f\u3002\u4e00\u65e6\u8cc7\u6599\u88ab\u5beb\u5165\uff0c\u4fee\u6539\u5176\u7d50\u69cb\u5c31\u9700\u8981\u9077\u79fb\u8173\u672c\u3001\u53ef\u80fd\u7684\u505c\u6a5f\u6642\u9593\uff0c\u4ee5\u53ca\u5c0d\u73fe\u6709\u8a18\u9304\u9032\u884c\u8b39\u614e\u8655\u7406\u3002<\/p>\n<p>\u8003\u616e\u4ee5\u4e0b\u56e0\u7f3a\u4e4f ERD \u800c\u5c0e\u81f4\u6469\u64e6\u7684\u60c5\u5883\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u69cb\u5faa\u74b0\uff1a<\/strong> \u4f60\u958b\u767c\u4e86\u4e00\u500b\u529f\u80fd\uff0c\u767c\u73fe\u8cc7\u6599\u7d50\u69cb\u7121\u6cd5\u652f\u63f4\uff0c\u5fc5\u9808\u91cd\u5beb\u67e5\u8a62\u3002\u9019\u500b\u5faa\u74b0\u4e0d\u65b7\u91cd\u8907\uff0c\u6d88\u8017\u4e86\u6578\u9031\u7684\u8fed\u4ee3\u6642\u9593\u3002<\/li>\n<li><strong>\u6574\u5408\u5931\u6557\uff1a<\/strong> \u7576\u524d\u5f8c\u7aef\u5718\u968a\u5728\u6c92\u6709\u5171\u7528\u7d50\u69cb\u5b9a\u7fa9\u7684\u60c5\u6cc1\u4e0b\u5de5\u4f5c\u6642\uff0cAPI \u5e38\u5e38\u6703\u5931\u6548\u3002\u5f8c\u7aef\u50b3\u9001\u4e00\u7a2e\u7d50\u69cb\uff0c\u524d\u7aef\u537b\u9810\u671f\u53e6\u4e00\u7a2e\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5b8c\u6574\u6027\u554f\u984c\uff1a<\/strong> \u82e5\u672a\u5b9a\u7fa9\u7d04\u675f\u689d\u4ef6\uff0c\u7121\u6548\u8cc7\u6599\u6703\u9032\u5165\u7cfb\u7d71\u3002\u4f60\u6700\u7d42\u5fc5\u9808\u624b\u52d5\u6e05\u7406\u5b64\u7acb\u8a18\u9304\u6216\u4fee\u5fa9\u4e0d\u4e00\u81f4\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u4e0a\u624b\u5ef6\u9072\uff1a<\/strong> \u65b0\u9032\u958b\u767c\u4eba\u54e1\u96e3\u4ee5\u7406\u89e3\u7cfb\u7d71\u3002\u7531\u65bc\u8cc7\u6599\u6d41\u7a0b\u672a\u88ab\u8a18\u9304\uff0c\u4ed6\u5011\u82b1\u8cbb\u6578\u5929\u95b1\u8b80\u7a0b\u5f0f\u78bc\uff0c\u800c\u975e\u958b\u767c\u529f\u80fd\u3002<\/li>\n<\/ul>\n<p>\u7b49\u5230\u4f60\u6ce8\u610f\u5230\u554f\u984c\u6642\uff0c\u6210\u672c\u5df2\u7d93\u7d2f\u7a4d\u3002\u73fe\u5728\u7684\u300c\u4fee\u5fa9\u300d\u4e0d\u50c5\u9700\u8981\u7a0b\u5f0f\u78bc\u8b8a\u66f4\uff0c\u9084\u9700\u8cc7\u6599\u9077\u79fb\u3001\u6e2c\u8a66\u8207\u90e8\u7f72\u9a57\u8b49\u3002<\/p>\n<h2>\u50cf\u5c08\u696d\u4eba\u58eb\u4e00\u6a23\u7e6a\u88fd\u95dc\u4fc2\u9023\u7d50 \ud83d\udd17<\/h2>\n<p>\u7406\u89e3\u8cc7\u6599\u5982\u4f55\u9023\u7d50\uff0c\u662f ERD \u8a2d\u8a08\u7684\u6838\u5fc3\u3002\u95dc\u4fc2\u6c7a\u5b9a\u4e86\u67e5\u8a62\u5982\u4f55\u64b0\u5beb\uff0c\u4ee5\u53ca\u6548\u80fd\u5982\u4f55\u512a\u5316\u3002\u4f60\u5fc5\u9808\u660e\u78ba\u5b9a\u7fa9\u4e09\u7a2e\u4e3b\u8981\u7684\u95dc\u4fc2\u985e\u578b\u3002<\/p>\n<p>\u4e0b\u8868\u6982\u8ff0\u4e86\u9019\u4e9b\u95dc\u4fc2\u985e\u578b\u4e4b\u9593\u7684\u5dee\u7570\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u95dc\u4fc2\u985e\u578b<\/th>\n<th>\u5b9a\u7fa9<\/th>\n<th>\u7bc4\u4f8b\u60c5\u5883<\/th>\n<th>\u5be6\u4f5c\u6ce8\u610f\u4e8b\u9805<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u4e00\u5c0d\u4e00 (1:1)<\/strong><\/td>\n<td>Table A \u4e2d\u7684\u55ae\u4e00\u8a18\u9304\u8207 Table B \u4e2d\u7684\u55ae\u4e00\u8a18\u9304\u76f8\u95dc\u806f\u3002<\/td>\n<td>\u4f7f\u7528\u8005\u500b\u4eba\u6a94\u6848\u9023\u7d50\u81f3\u4f7f\u7528\u8005\u8a2d\u5b9a\u8cc7\u6599\u8868\u3002<\/td>\n<td>\u901a\u5e38\u900f\u904e\u5c07 B \u7684\u4e3b\u9375\u653e\u7f6e\u65bc A \u4e2d\u4f86\u5be6\u4f5c\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e00\u5c0d\u591a (1:N)<\/strong><\/td>\n<td>Table A \u4e2d\u7684\u55ae\u4e00\u8a18\u9304\u8207 Table B \u4e2d\u7684\u591a\u500b\u8a18\u9304\u76f8\u95dc\u806f\u3002<\/td>\n<td>\u4e00\u500b\u5206\u985e\u5305\u542b\u591a\u500b\u7522\u54c1\u3002<\/td>\n<td>\u5728\u300c\u591a\u300d\u7684\u4e00\u65b9\u8cc7\u6599\u8868\u4e2d\u6a19\u6e96\u653e\u7f6e\u5916\u9375\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u591a\u5c0d\u591a (M:N)<\/strong><\/td>\n<td>\u8868 A \u4e2d\u7684\u591a\u500b\u8a18\u9304\u8207\u8868 B \u4e2d\u7684\u591a\u500b\u8a18\u9304\u76f8\u95dc\u806f\u3002<\/td>\n<td>\u8a3b\u518a\u591a\u9580\u8ab2\u7a0b\u7684\u5b78\u751f\u3002<\/td>\n<td>\u9700\u8981\u4e00\u500b\u4ea4\u96c6\u8868\u4f86\u89e3\u6c7a\u9023\u7d50\u554f\u984c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5ffd\u7565\u9019\u4e9b\u5dee\u7570\u6703\u5c0e\u81f4\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\u3002\u4f8b\u5982\uff0c\u5c07\u985e\u5225\u7684\u7522\u54c1 ID \u5217\u8868\u5132\u5b58\u5728\u55ae\u4e00\u6b04\u4f4d\u4e2d\uff0c\u9055\u53cd\u4e86\u8cc7\u6599\u6b63\u898f\u5316\u7684\u539f\u5247\u3002\u9019\u8feb\u4f7f\u60a8\u89e3\u6790\u5b57\u4e32\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u9023\u63a5\u64cd\u4f5c\uff0c\u96a8\u8457\u8cc7\u6599\u91cf\u589e\u52a0\uff0c\u6703\u5c0e\u81f4\u6548\u80fd\u4e0b\u964d\u3002<\/p>\n<h2>\u6b63\u898f\u5316\uff1a\u4fdd\u6301\u8cc7\u6599\u4e7e\u6de8 \ud83e\uddf9<\/h2>\n<p>\u6b63\u898f\u5316\u662f\u7d44\u7e54\u8cc7\u6599\u4ee5\u6e1b\u5c11\u5197\u9918\u4e26\u63d0\u5347\u5b8c\u6574\u6027\u7684\u4e00\u500b\u904e\u7a0b\u3002\u96d6\u7136\u73fe\u4ee3\u7cfb\u7d71\u6709\u6642\u6703\u70ba\u4e86\u6548\u80fd\u800c\u653e\u68c4\u56b4\u683c\u7684\u6b63\u898f\u5316\uff0c\u4f46\u7406\u89e3\u9019\u4e9b\u539f\u5247\u4ecd\u7136\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u6b63\u898f\u5316\u7684\u6a19\u6e96\u5f62\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7b2c\u4e00\u6b63\u898f\u5316\u5f62\u5f0f (1NF)\uff1a<\/strong>\u78ba\u4fdd\u539f\u5b50\u6027\u3002\u6bcf\u500b\u6b04\u4f4d\u50c5\u5305\u542b\u4e00\u500b\u503c\u3002\u55ae\u5143\u683c\u4e2d\u4e0d\u5f97\u6709\u6e05\u55ae\u6216\u9663\u5217\u3002<\/li>\n<li><strong>\u7b2c\u4e8c\u6b63\u898f\u5316\u5f62\u5f0f (2NF)\uff1a<\/strong>\u5efa\u7acb\u5728 1NF \u4e4b\u4e0a\u3002\u8981\u6c42\u6240\u6709\u975e\u9375\u5c6c\u6027\u5fc5\u9808\u5b8c\u5168\u4f9d\u8cf4\u65bc\u4e3b\u9375\u3002\u4e0d\u5f97\u5b58\u5728\u90e8\u5206\u4f9d\u8cf4\u3002<\/li>\n<li><strong>\u7b2c\u4e09\u6b63\u898f\u5316\u5f62\u5f0f (3NF)\uff1a<\/strong>\u5efa\u7acb\u5728 2NF \u4e4b\u4e0a\u3002\u8981\u6c42\u975e\u9375\u5c6c\u6027\u50c5\u4f9d\u8cf4\u65bc\u4e3b\u9375\uff0c\u800c\u4e0d\u4f9d\u8cf4\u65bc\u5176\u4ed6\u975e\u9375\u5c6c\u6027\u3002<\/li>\n<\/ul>\n<p>\u9019\u70ba\u4ec0\u9ebc\u91cd\u8981\uff1f\u8003\u616e\u4e00\u500b <em>\u8a02\u55ae<\/em>\u8868\u683c\u3002\u5982\u679c\u60a8\u5728\u6bcf\u4e00\u7b46\u8a02\u55ae\u8a18\u9304\u4e2d\u5132\u5b58 <em>\u5ba2\u6236\u59d3\u540d<\/em>\uff0c\u5c31\u6703\u7522\u751f\u5197\u9918\u3002\u5982\u679c\u5ba2\u6236\u66f4\u6539\u59d3\u540d\uff0c\u60a8\u5fc5\u9808\u66f4\u65b0\u6578\u5343\u7b46\u8cc7\u6599\u3002\u5982\u679c\u6f0f\u6389\u5176\u4e2d\u4e00\u7b46\uff0c\u8cc7\u6599\u5c31\u6703\u4e0d\u4e00\u81f4\u3002\u900f\u904e\u5c07 <em>\u5ba2\u6236\u59d3\u540d<\/em>\u79fb\u81f3\u4e00\u500b <em>\u5ba2\u6236<\/em>\u8868\u683c\u4e26\u900f\u904e ID \u9032\u884c\u9023\u7d50\uff0c\u5373\u53ef\u78ba\u4fdd\u8cc7\u6599\u7684\u552f\u4e00\u4f86\u6e90\u3002<\/p>\n<p>\u7136\u800c\uff0c\u6b63\u898f\u5316\u4e26\u975e\u842c\u80fd\u89e3\u65b9\u3002\u904e\u5ea6\u6b63\u898f\u5316\u53ef\u80fd\u5c0e\u81f4\u8907\u96dc\u7684\u9023\u63a5\u64cd\u4f5c\uff0c\u9032\u800c\u5f71\u97ff\u6548\u80fd\u3002\u76ee\u6a19\u662f\u53d6\u5f97\u5e73\u8861\u3002\u60a8\u5fc5\u9808\u7406\u89e3\u5132\u5b58\u6548\u7387\u8207\u67e5\u8a62\u901f\u5ea6\u4e4b\u9593\u7684\u6b0a\u8861\u3002<\/p>\n<h2>\u8cc7\u6599\u7d50\u69cb\u8a2d\u8a08\u4e2d\u7684\u5e38\u898b\u9677\u9631 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\u5c07\u72c0\u614b\u4ee3\u78bc\uff08\u5982\u300c\u555f\u7528\u300d\u6216\u300c\u505c\u7528\u300d\uff09\u4ee5\u6574\u6578\u5f62\u5f0f\u5132\u5b58\uff0c\u4e14\u672a\u4f7f\u7528\u67e5\u95b1\u8868\uff0c\u6703\u4f7f\u7cfb\u7d71\u8b8a\u5f97\u8106\u5f31\u3002\u82e5\u9700\u65b0\u589e\u300c\u66ab\u505c\u300d\u72c0\u614b\uff0c\u5247\u5fc5\u9808\u5728\u5404\u8655\u4fee\u6539\u908f\u8f2f\u3002<\/li>\n<li><strong>\u5ffd\u7565\u8edf\u522a\u9664\uff1a<\/strong> \u6c38\u4e45\u522a\u9664\u8cc7\u6599\u6703\u5c0e\u81f4\u6b77\u53f2\u8a18\u9304\u6d88\u5931\u3002\u8a2d\u8a08\u8edf\u522a\u9664\uff08\u5c07\u8a18\u9304\u6a19\u8a18\u70ba\u5df2\u522a\u9664\uff0c\u800c\u975e\u5be6\u969b\u79fb\u9664\uff09\u53ef\u4fdd\u7559\u5be9\u8a08\u8ffd\u8e64\u3002<\/li>\n<li><strong>\u904e\u5ea6\u8a2d\u8a08\uff1a<\/strong> 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\u78ba\u5b9a\u5f8c\uff0c\u4e0b\u4e00\u6b65\u4fbf\u662f\u5c07\u5176\u8f49\u63db\u70ba\u7a0b\u5f0f\u78bc\u3002\u6b64\u904e\u7a0b\u901a\u5e38\u7a31\u70ba\u7d50\u69cb\u9077\u79fb\uff0c\u9700\u8981\u9ad8\u5ea6\u7684\u7d00\u5f8b\u6027\u3002<\/p>\n<p>\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff0c\u4ee5\u78ba\u4fdd\u9806\u5229\u904e\u6e21\uff1a<\/p>\n<ul>\n<li><strong>\u7248\u672c\u63a7\u5236\uff1a<\/strong> \u5c07\u8cc7\u6599\u5eab\u7d50\u69cb\u8996\u70ba\u61c9\u7528\u7a0b\u5f0f\u7a0b\u5f0f\u78bc\u3002\u6bcf\u6b21\u8b8a\u66f4\u90fd\u61c9\u4ee5\u9077\u79fb\u6a94\u6848\u7684\u5f62\u5f0f\u5132\u5b58\u5728\u60a8\u7684\u7a0b\u5f0f\u78bc\u5009\u5eab\u4e2d\u3002<\/li>\n<li><strong>\u5411\u5f8c\u76f8\u5bb9\u6027\uff1a<\/strong> \u65b0\u589e\u6b04\u4f4d\u6642\uff0c\u61c9\u5148\u8a2d\u70ba\u5141\u8a31\u7a7a\u503c\u3002\u586b\u5165\u73fe\u6709\u8cc7\u6599\u5f8c\uff0c\u518d\u65bc\u5f8c\u7e8c\u9077\u79fb\u4e2d\u5f37\u5236\u7d04\u675f\u3002\u5982\u6b64\u53ef\u907f\u514d\u7cfb\u7d71\u505c\u6a5f\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u9077\u79fb\uff1a<\/strong> \u5728\u8207\u751f\u7522\u74b0\u5883\u76f8\u540c\u7684\u6e2c\u8a66\u74b0\u5883\u4e2d\u57f7\u884c\u9077\u79fb\u8173\u672c\uff0c\u4e26\u6aa2\u67e5\u662f\u5426\u5b58\u5728\u6548\u80fd\u9000\u5316\u3002<\/li>\n<li><strong>\u56de\u6efe\u8a08\u756b\uff1a<\/strong> \u7576\u9077\u79fb\u5931\u6557\u6642\uff0c\u5fc5\u9808\u6709\u8fa6\u6cd5\u56de\u6efe\u3002\u8cc7\u6599\u907a\u5931\u662f\u4e0d\u53ef\u63a5\u53d7\u7684\u3002<\/li>\n<\/ul>\n<p> \u81ea\u52d5\u5316\u5de5\u5177\u53ef\u5354\u52a9\u5f9e ERD \u7522\u751f SQL\uff0c\u4f46\u624b\u52d5\u5be9\u67e5\u81f3\u95dc\u91cd\u8981\u3002\u81ea\u52d5\u5316\u7522\u751f\u5668\u5e38\u6703\u5ffd\u7565\u4eba\u985e\u67b6\u69cb\u5e2b\u80fd\u5bdf\u89ba\u7684\u5546\u696d\u908f\u8f2f\u7d30\u7bc0\u3002<\/p>\n<h2>\u5354\u4f5c\u8207\u6e9d\u901a \ud83e\udd1d<\/h2>\n<p>ERD \u4e0d\u50c5\u50c5\u662f\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u7684\u5de5\u5177\u3002\u5b83\u53ef\u4f5c\u70ba\u6574\u500b\u5718\u968a\u7684\u6e9d\u901a\u5a92\u4ecb\u3002\u7522\u54c1\u7d93\u7406\u3001\u524d\u7aef\u958b\u767c\u4eba\u54e1\u8207 QA \u5de5\u7a0b\u5e2b\u7686\u80fd\u5f9e\u7406\u89e3\u8cc7\u6599\u7d50\u69cb\u4e2d\u53d7\u76ca\u3002<\/p>\n<p>\u7576\u5229\u5bb3\u95dc\u4fc2\u4eba\u5be9\u67e5 ERD \u6642\uff0c\u80fd\u65e9\u671f\u8b58\u5225\u6f5b\u5728\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u529f\u80fd\u53ef\u884c\u6027\uff1a<\/strong> \u8cc7\u6599\u5eab\u80fd\u5426\u652f\u63f4\u6240\u8981\u6c42\u7684\u529f\u80fd\uff1f\u82e5\u4e0d\u80fd\uff0c\u9700\u8981\u505a\u54ea\u4e9b\u8b8a\u66f4\uff1f<\/li>\n<li><strong>\u6548\u80fd\u9810\u671f\uff1a<\/strong> \u8a2d\u8a08\u662f\u5426\u80fd\u652f\u63f4\u5927\u898f\u6a21\u4e0b\u7684\u9ad8\u6548\u67e5\u8a62\uff1f<\/li>\n<li><strong>\u5b89\u5168\u6027\u9700\u6c42\uff1a<\/strong> 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